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  1. #include <iostream>
  2. #include <vector>
  3.  
  4. static const int COUNT = 2500000;
  5.  
  6. int main() {
  7. 	std::vector<int> data{1, 2, 3, 4, 5};
  8.  
  9. 	int summ = 0;
  10. 	for (int i = 0; i < COUNT; i++) {
  11. 		int idx = rand() % 10;
  12. 		if (idx < data.size()) summ += data[idx];
  13. 	}
  14.  
  15. 	std::cout << double(summ) / COUNT << std::endl;
  16.  
  17. 	return 0;
  18. }
Success #stdin #stdout 0.04s 4392KB
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stdin 
Standard input is empty
stdout 
1.50023
https://ideone.com/6PmOav
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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